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17318 (2091 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2017318
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1591304658108473 3.4292e-08  
a 2.750445445733554 1.222e-08 au
q 2.31276578076665 9.5613e-08 au
i 13.35846275178621 3.9545e-06 deg
node 179.5893959350817 1.3922e-05 deg
peri 164.8815224852063 1.7241e-05 deg
M 170.3316666550843 1.1197e-05 deg
tp 2458412.192107145930
(2018-Oct-20.69210715)
5.0502e-05 TDB
period 1666.107348095946
4.56
1.1104e-05
3.04e-08
d
yr
n .2160725120211574 1.44e-09 deg/d
Q 3.188125110700458 1.4165e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1696  
   data-arc span      18254 days (49.98 yr)  
   first obs. used      1971-03-24  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48608  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:01:18  

Additional Information
 Earth MOID = 1.30704 au 
 Jupiter MOID = 2.26704 au 
 T_jup = 3.289 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.88   n/a E2021B10  

17318 (2091 T-1)          Discovered 1971-Mar-25 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2091 T-1 = 1999 JD94 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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